An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6105-01-169-4787
NSN 5930-01-308-5476
NSN 5960-01-092-1234
NSN 5996-00-847-7071
NSN 5835-00-593-8511
NSN 5998-00-598-4905
NSN 5925-01-132-9120
NSN 5998-01-137-2973
NSN 6130-00-187-0211
NSN 5985-01-463-3283
NSN 5945-01-279-7975
NSN 6620-01-414-4578